Gaya APA

DROOYAN, Irving, CARICO,Charles C.. (1992). Essential of trigonometry (Ed.5). New York: The MacMillan Press.

Gaya Chicago

DROOYAN, Irving, CARICO,Charles C.. Essential of trigonometry. Ed.5 New York: The MacMillan Press, 1992. Text.

Gaya MLA

DROOYAN, Irving, CARICO,Charles C.. Essential of trigonometry. Ed.5 New York: The MacMillan Press, 1992. Text.

Gaya Turabian

DROOYAN, Irving, CARICO,Charles C.. Essential of trigonometry. Ed.5 New York: The MacMillan Press, 1992. Print.